The United States and China have agreed on a UN resolution on North Korea’s nuclear ‘provocations,’ the White House announced Wednesday, with diplomats saying it would include fresh sanctions and could go to a Security Council vote soon.Diplomats at UN headquarters in New York said Washington and Beijing, Pyongyang’s main backer, had agreed on a draft resolution that contained ‘very tough measures.’The United States circulated the draft text to the other three permanent council members - Britain, France and Russia - on Wednesday and was set to formally present it to the full 15-member council soon, said the diplomats, who asked not to be named.Negotiations on the draft resolution began six weeks ago after North Korea carried out its fourth nuclear test on January 6, claiming it had successfully developed a thermonuclear device.During a meeting at the White House Wednesday, US National Security Advisor Susan Rice and Chinese Foreign Minister Wang Yi agreed ‘on the importance of a strong and united international response to North Korea’s provocations, including through a UN Security Council resolution that goes beyond previous resolutions,’ said a statement from National Security Council spokesman Ned Price.‘They agreed that they will not accept North Korea as a nuclear weapons state,’ added the statement. Underscoring the importance that the US placed on the negotiations, the statement said that President Barack Obama dropped in on the meeting.- ‘Significantly substantive text’ -The announcement came despite substantial and very public disagreement between the US and China on the best way to handle North Korea.China wants its reclusive neighbor to halt its nuclear weapons program and return to six-party international talks, but it has insisted that dialogue is the only way to curb Pyongyang’s behavior.The biggest obstacle to talks, it argues, is Washington’s stubborn insistence that it will not sit down with North Korea until the country takes steps towards denuclearization.